Use <kbd>[[Special:ApiHelp/compare|action=compare]]</kbd> instead. Revision ID to diff each revision to. Use <kbd>prev</kbd>, <kbd>next</kbd> and <kbd>cur</kbd> for the previous, next and current revision respectively.
Use <kbd>[[Special:ApiHelp/compare|action=compare]]</kbd> instead. Text to diff each revision to. Only diffs a limited number of revisions. Overrides <var>$1diffto</var>. If <var>$1section</var> is set, only that section will be diffed against this text.
Use <kbd>[[Special:ApiHelp/compare|action=compare]]</kbd> instead. Perform a pre-save transform on the text before diffing it. Only valid when used with <var>$1difftotext</var>.
Use <kbd>[[Special:ApiHelp/expandtemplates|action=expandtemplates]]</kbd> or <kbd>[[Special:ApiHelp/parse|action=parse]]</kbd> instead. Generate XML parse tree for revision content (requires $1prop=content).
Use <kbd>[[Special:ApiHelp/parse|action=parse]]</kbd> instead. Parse revision content (requires $1prop=content). For performance reasons, if this option is used, $1limit is enforced to 1.
Which revision slots to return data for, when slot-related properties are included in <var>$1props</var>. If omitted, data from the <kbd>main</kbd> slot will be returned in a backwards-compatible format.
Use <kbd>[[Special:ApiHelp/expandtemplates|action=expandtemplates]]</kbd> or <kbd>[[Special:ApiHelp/parse|action=parse]]</kbd> instead. The XML parse tree of revision content (requires content model <code>$1</code>).
May be used in several ways:
# Get data about a set of pages (last revision), by setting titles or pageids.
# Get revisions for one given page, by using titles or pageids with start, end, or limit.
# Get data about a set of revisions by setting their IDs with revids.